SYSTEM AND METHOD FOR HANDING OVER A CALL FROM A PACKET-SWITCHED NETWORK TO A CIRCUIT-SWITCHED NETWORK - Patent 1629685

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EP 1 629 685 A1

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(43)	Date of publication:
	01.03.2006 Bulletin 2006/09

(21)	Application number: 04754100.8

(22)	Date of filing: 03.06.2004

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International Patent Classification (IPC):

H04Q 7/38^(1995.01)

(86)	International application number:
	PCT/US2004/017412

(87)	International publication number:
	WO 2004/110092 (16.12.2004 Gazette 2004/51)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

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Priority:

04.06.2003 US 454685

(71)	Applicant: Nokia Corporation
	02150 Espoo (FI)

(72)	Inventors:
	KRISHNAMURTHI, Govind Arlington, MA 02474 (US) CHASKAR, Hemant, M. Woburn, MA 01801 (US)

(74)	Representative: Walaski, Jan Filip et al
	Venner Shipley LLP 20 Little Britain London EC1A 7DH London EC1A 7DH (GB)

(54)	SYSTEM AND METHOD FOR HANDING OVER A CALL FROM A PACKET-SWITCHED NETWORK TO A CIRCUIT-SWITCHED NETWORK